Jaca, Spain — Weather in May 2027

Climate Overview

Jaca, Spain in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 17°C (62°F) at the start to 22°C (72°F) by month's end.

May sees fairly even rainfall, totalling about 79 mm across the month.

Expect around 12.0h of sunshine at the start of May, increasing to 13.1h by the end.

The warmest days tend to fall around the 29th, averaging 22.1°C (72°F).

Compared to April, this month is about 4°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

19°C / 8°C

Feels Like

18°C / 6°C

Rain

12 days · 80 mm

Sunshine

12.4h / day

Humidity

72% — Humid

Wind

13 km/h

Wind Direction

N (3°)

Gusts

40 km/h

Daylight

14.6 h

Cloud Cover

56%

Clear Sky Days

2.9

UV Index

7 — High

Dew Point

9°C — Dry

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:42

Daylight 14.6h

Sunset 21:18

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	8°C / 0°C	5°C / -4°C	12days (93 mm) Wet	7h Good	81% Humid	2.1 Moderate	Poor	View Details
February	10°C / 1°C	7°C / -3°C	8days (72 mm) Wet	8.2h Good	79% Humid	3.2 Moderate	Poor	View Details
March	11°C / 2°C	9°C / -1°C	13days (100 mm) Wet	9.4h Good	78% Humid	4.1 Moderate	Poor	View Details
April	15°C / 5°C	13°C / 2°C	12days (90 mm) Wet	10.7h Excellent	75% Muggy	6.1 High	Fair	View Details
May	19°C / 8°C	18°C / 6°C	12days (80 mm) Wet	12.4h Excellent	72% Muggy	7 High	Good	View Details
June best	24°C / 13°C	25°C / 13°C	11days (71 mm) Wet	13.1h Excellent	67% Muggy	7.5 Very High	Excellent	View Details
July best	28°C / 16°C	29°C / 16°C	6days (32 mm) Good	13.4h Excellent	60% Moderate	7.7 Very High	Excellent	View Details
August best	28°C / 16°C	29°C / 16°C	6days (39 mm) Good	12.3h Excellent	59% Moderate	7 High	Excellent	View Details
September best	23°C / 12°C	22°C / 11°C	8days (63 mm) Wet	10.6h Excellent	69% Muggy	5.5 High	Excellent	View Details
October	18°C / 9°C	17°C / 7°C	10days (108 mm) Wet	8.5h Good	76% Humid	3.6 Moderate	Good	View Details
November	12°C / 4°C	9°C / 1°C	12days (102 mm) Wet	7.1h Good	83% Humid	2.4 Moderate	Fair	View Details
December	9°C / 1°C	7°C / -2°C	11days (84 mm) Wet	6.6h Fair	84% Humid	1.9 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Jaca?

May is typically good for visiting Jaca, with average highs of 19°C (66°F) and around 12 rainy days. Jaca, Spain in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on

Does it rain a lot in Jaca in May?

Jaca typically sees around 12 rainy days in May with 80 mm (3.1 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Jaca in May?

Nights in Jaca during May are cool at around 8°C (47°F). Bring a jacket or sweater for evenings.

What should I pack for Jaca in May?

With highs of 19°C (66°F) and lows of 8°C (47°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Jaca?

May is not the most favourable month weather-wise in Jaca. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Jaca in May?

The average UV index in Jaca during May is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Jaca in May?

Jaca gets approximately 15 hours of daylight per day in May, with around 12 hours of sunshine.

Does it snow in Jaca in May?

Snow is uncommon in Jaca during May based on 10-year climate averages.

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